| Value | Category | Cases | |
|---|---|---|---|
| 4 | COAL/LIGNITE | 25 |
0.4%
|
| 5 | CHARCOAL | 2 |
0%
|
| 6 | WOOD | 1489 |
24.8%
|
| 7 | CROP RESIDUE/GRASS/STRAW/SHRUBS | 4 |
0.1%
|
| 99 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 4479 |
74.7%
|